Table I.

Comparison of ECG and Echo Data in Control and αMHC-miR130a Mice

	6 weeks		10 weeks		12 weeks
	Control	MHC-miR130a	Control	MHC-miR130a	Control	MHC-miR130a
n	5	5	5	5	5	3*
PR (ms)	33.1±2.9	34.7±3.2	35.2±0.7	40.8±0.6†	33.0±1.2	44.0±2.5†
QRS (ms)	12.5±0.7	10.7±0.9	10.1±0.46	11.2±0.85	11.0±0.57	10.6±0.68
QT (ms)	19.3±0.7	19.0±1.2	18.7±0.5	20.0±0.9	19.0±0.6	20.4±0.7
FS (%)	35.8±0.2	32.0±2.8	31.8±1.1	32.3±1.7	35.5±2.2	24.7±1.7†
LVIDd (mm)	4.3±0.2	4.6±0.1	4.5±0.2	4.4±0.1	4.2±0.3	4.6±0.3
HR (bpm)	534±98	515±105	512±113	519±96	514±89	459±113†

^*2 of 5 mice in atrial arrhythmia, excluded from analysis of PR interval.

^†indicates p<0.01